[fawrth-klas, -klahs, fohrth-]
- of, relating to, or designated as a class next below third, as for mailing, shipping, etc.
- as fourth-class matter; by fourth-class mail: Send it fourth-class.
- (in the U.S. Postal Service) the class of mail consisting of merchandise weighing one pound or more, including parcel post and all first-, second-, or third-class matter weighing 8 ounces (227 grams) or more and not sealed against inspection.
Origin of fourth class
An Americanism dating back to 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fourth-class
The mail came every two weeks, and its magnitude was of the fourth-class order.That Girl Montana
Marah Ellis Ryan
No fourth-class men were allowed to attend except the two seconds.Captain Jinks, Hero
No fourth-class postmaster receives more than a thousand dollars a year.
Fourth-class postmasters receive no fixed salary, but instead are paid a percentage of the value of the stamps cancelled.Government in the United States
James Wilford Garner
The rate then payable on such parcels was the general rate for fourth-class matter, viz.The Development of Rates of Postage
A. D. Smith
- of or relating to mail that is carried at the lowest rate
- by fourth-class mail